The purpose of alliances such as the Triple Alliance and the Triple Entente was to "<span>b. Provide mutual defense and support in case of attack," since these were "block alliances". </span>
The answer is : Increased Exchange of ideas and goods
These are what happened when 2 countries form an economic alliance
More Brain power = more ideas.
More Manufacturer = more goods produce
There is simply no corelation between economic alliance and negative population growth. It wil increase ally, not competition. and even distribution of resources simply not fair, what if a country with large resources such as usa having an alliance with a country with relatively small resources such as Uk ?
I am confused about the question that you are asking but if you mean choosing between the choices that you have listed then i believe the answer is 3
You are correct they (Germany) thought it wasn't fair to them.